RS485 Image Sensor for Digital Cinema System

To activate various devices using RS485, a repeater is generally used. In current digital cinema systems, each device is controlled with RS485 by mixing RS485 and DMX512. However, as today’s cinema equips hundreds of 4D chairs and the environmental directors, it is nearly infeasible for the legacy system to control. To this end, this paper designs and implements a new system which makes hundreds of 4D chairs and the environmental directors be controlled simultaneously exploiting RS485 network topology and its repeaters. The proposed approach is tested in a real-time system for assessing the performance by Paessler Router Traffic Grapher (PRTG) in Windows environment. Simulation results show that the tested system supports 4D chairs and their motions are well operated simultaneously with RS485.

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